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3M Micro Finishing Film 30 Micron AO (PSA)

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£3.82

3M™ Micro Finishing Film 30 Micron AO (PSA)

3.82
3M PSA adhesive backed Microfinishing Film is essentially a heavier duty version of imperial lapping film with a slightly thicker film backing and a harder compound of bonding resin.

Aluminium oxide particles are more pebble-like than silicon carbide particles so they don't fracture as easily and last longer.

A high-strength polyester film backing is coated with premium, micron-graded mineral particles that are electrostatically oriented for greater cutting efficiency. The particles are bonded into a layer of resin that wears away slowly for increased durability.

PSA is the acronym for Pressure Sensitive Adhesive and is a heavy duty version of the adhesive on the back of a Post-It note.

To use, cut each sheet into the desired width, peel the backing and fix a strip of each grade next to each other on a piece of float glass or other perfectly flat substrate applying firm pressure for an even secure bond.

Sheet size: 8-1/2" x 11" (216mm x 279mm)
Grade: 30 micron
Mineral: Aluminium Oxide

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